<template>
    <!-- 新增部门的弹层 -->
    <el-dialog :title="showTitle" :visible="showDialog" @close="btnCancel">
        <!-- 表单组件  el-form   label-width设置label的宽度   -->
        <!-- 匿名插槽 -->
        <el-form label-width="120px" :model="formData" :rules="rules" ref="deptForm">
            <el-form-item label="部门名称" prop="name">
                <el-input v-model="formData.name" style="width:80%" placeholder="1-50个字符" />
            </el-form-item>
            <el-form-item label="部门编码" prop="code">
                <el-input v-model="formData.code" style="width:80%" placeholder="1-50个字符" />
            </el-form-item>
            <el-form-item label="部门负责人" prop="manager">
                <el-select @focus="getEmployeeSimple" v-model="formData.manager" style="width:80%" placeholder="请选择">
                    <el-option v-for="item in peoples" :key="item.id" :label="item.username" :value="item.username" />
                </el-select>
            </el-form-item>
            <el-form-item label="部门介绍" prop="introduce">
                <el-input v-model="formData.introduce" style="width:80%" placeholder="1-300个字符" type="textarea"
                    :rows="3" />
            </el-form-item>
        </el-form>
        <!-- el-dialog有专门放置底部操作栏的 插槽  具名插槽 -->
        <el-row slot="footer" type="flex" justify="center">
            <!-- 列被分为24 -->
            <el-col :span="6">
                <el-button type="primary" size="small" @click="btnOK">确定</el-button>
                <el-button size="small" @click="btnCancel">取消</el-button>
            </el-col>
        </el-row>
    </el-dialog>
</template>

<script>
import { getDepartments, addDepartments, getDepartmentDetail, updateDepartments } from '@/api/departments'
import { getEmployeeSimple } from '../../../api/employees'

export default {
    props: {
        showDialog: {
            type: Boolean,
            default: false
        },
        treeNode: {
            type: Object,
            default: null
        }
    },
    data() {
        const checkNameRepeat = async (rule, value, callback) => {
            const { depts } = await getDepartments()
            let isRepeat = false
            if (this.formData.id) {
                isRepeat = depts.filter(item => item.pid === this.treeNode.pid && item.id !== this.treeNode.id).some(item => item.name === value)
            } else {
                isRepeat = depts.filter(item => item.pid === this.treeNode.id).some(item => item.name === value)
            }
            isRepeat ? callback(new Error(`同级部门下已经存在${value}部门了`)) : callback()
        }
        const checkCodeRepeat = async (rule, value, callback) => {
            const { depts } = await getDepartments()
            let isRepeat = false
            if (this.formData.id) {
                isRepeat = depts.filter(item => item.id !== this.treeNode.id).some(item => item.code === value && value)
            } else {
                isRepeat = depts.some(item => item.code === value && value)
            }
            isRepeat ? callback(new Error(`组织架构下已经存在${value}编码了`)) : callback()
        }
        return {
            peoples: [],
            formData: {
                name: '',
                code: '',
                manager: '',
                introduce: '',
            },
            rules: {
                name: [
                    { required: true, message: '部门名称不能为空', trigger: 'blur' },
                    { min: 1, max: 50, message: '部门名称长度为1-50个字符', trigger: 'blur' },
                    { validator: checkNameRepeat, trigger: 'blur' }
                ],
                code: [
                    { required: true, message: '部门编码不能为空', trigger: 'blur' },
                    { min: 1, max: 50, message: '部门编码长度为1-50个字符', trigger: 'blur' },
                    { validator: checkCodeRepeat, trigger: 'blur' }
                ],
                manager: [
                    { required: true, message: '部门负责人不能为空', trigger: 'blur' },
                    { min: 1, max: 50, message: '部门负责人长度为1-50个字符', trigger: 'blur' }
                ],
                introduce: [
                    { required: true, message: '部门介绍不能为空', trigger: 'blur' },
                    { min: 1, max: 300, message: '部门介绍长度为1-50个字符', trigger: 'blur' }
                ]
            }
        }
    },
    methods: {
        async getEmployeeSimple() {
            const res = await getEmployeeSimple()
            console.log(res);
            this.peoples = res
        },
        btnOK() {
            this.$refs.deptForm.validate(async isOK => {
                if (isOK) {
                    if (this.formData.id) {
                        await updateDepartments(this.formData)
                    } else {
                        await addDepartments({ ...this.formData, pid: this.treeNode.id })
                    }
                    this.$emit('addDepts')
                    this.$emit('update:showDialog', false)
                }
            })
        },
        btnCancel() {
            this.formData = {
                name: '',
                code: '',
                manager: '',
                introduce: '',
            }
            this.$emit('update:showDialog', false)
            this.$refs.deptForm.resetFields()
        },
        async getDepartmentDetail(id) {
            this.formData = await getDepartmentDetail(id)
        }
    },
    computed: {
        showTitle() {
            return this.formData.id ? '编辑部门' : '添加子部门'
        }
    }
}
</script>

<style>

</style>